EP1478081A2 - Moteur ou Motoréducteur électrique - Google Patents

Moteur ou Motoréducteur électrique Download PDF

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Publication number
EP1478081A2
EP1478081A2 EP04009940A EP04009940A EP1478081A2 EP 1478081 A2 EP1478081 A2 EP 1478081A2 EP 04009940 A EP04009940 A EP 04009940A EP 04009940 A EP04009940 A EP 04009940A EP 1478081 A2 EP1478081 A2 EP 1478081A2
Authority
EP
European Patent Office
Prior art keywords
electric motor
gearmotor
board
container
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04009940A
Other languages
German (de)
English (en)
Other versions
EP1478081A3 (fr
Inventor
Maurizio Basso
Antonio Surian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuova Sme- SpA
Nuova SME SpA
Original Assignee
Nuova Sme- SpA
Nuova SME SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nuova Sme- SpA, Nuova SME SpA filed Critical Nuova Sme- SpA
Publication of EP1478081A2 publication Critical patent/EP1478081A2/fr
Publication of EP1478081A3 publication Critical patent/EP1478081A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/38—Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Definitions

  • the present invention relates to an electric motor or gearmotor of the type that comprises internally an electronic board for position, speed and acceleration control and a wiring assembly for said board.
  • Actuation motors and gearmotors particularly for sliding doors or power windows of cars, for adjusting the position, height, inclination and shape of seats, for adjusting the position of the steering wheel and of the pedals, and the like, are currently known.
  • the motors and gearmotors are generally driven by electric motors that are in turn controlled by an electronic board.
  • the electronic board is connected to the controls that can be operated by a user by means of appropriate wiring.
  • Mechanical strength is considered first of all with reference to the handling that the electronic board undergoes before and during assembly on the motor/gearmotor and during installation on the respective mechanism to be actuated, and secondly with reference to stresses during operation.
  • an ordinary fixing of the wiring to the electronic board is not adapted to withstand the stresses.
  • One alternative consists in sealing the regions where the electronic board is connected to the outside by way of liquid gaskets or sealing polymers that are dispensed directly in the seats inside the motor/gearmotor assembly in which the electronic boards are accommodated.
  • a frame which is appropriately drawn and contoured so as to accommodate the board and the respective wiring, and sealing gaskets are used at the various interfaces between components.
  • the drawn frame has distinctly higher costs, in terms of molds and of the individual part, than a motor/gearmotor that does not need to withstand water and oxidation.
  • low-viscosity sealing resins are used to seal the board and the wiring in the corresponding compartment formed within the frame; the adaptability of such resins to the automated assembly process is low, since they require unusual hardening temperatures and/or times and therefore they are scarcely adaptable to an automated process.
  • the aim of the present invention is to provide an electric motor or gearmotor of the type that comprises, sealed inside it, an electronic board for position, speed and acceleration control and a wiring assembly for the board, which is capable of obviating the drawbacks shown by known types.
  • an object of the present invention is to provide an electric motor or gearmotor in which the connection between the board and the wiring is capable of ensuring, at least for an equal performance, a higher mechanical strength with respect to the handling and operating stresses than known types.
  • Another object of the present invention is to provide an electric motor or gearmotor that is low in cost both in terms of mold and in terms of the part itself.
  • Another object of the present invention is to provide an electric motor or gearmotor in which the board and the wiring can be assembled easily and at low cost.
  • Another object of the present invention is to provide an electric motor or gearmotor in which the board and the wiring can be sealed easily and quickly.
  • Another object of the present invention is to provide an electric motor or gearmotor that can be manufactured with known systems and technologies.
  • an electric motor or gearmotor of the type that comprises internally an electronic board and the connection to a wiring assembly for said board, said electric motor or gearmotor being characterized in that said board and said wiring assembly are preassembled, said connection, together with said associated board, being sealed in a tray-like container, said container being associated with a complementarily shaped compartment that is provided on the housing of said electric motor or gearmotor.
  • an electric motor or gearmotor according to the invention in a first embodiment is generally designated by the reference numeral 10.
  • the electric motor or gearmotor 10 comprises, sealed inside it, an electronic board 11 for position, speed and acceleration control and the connection 12 to a wiring assembly 13 for the board 11.
  • the electric motor or gearmotor 10 is characterized in that the board 11 and the wiring assembly 13 are preassembled by way of the connection 12.
  • connection 12 and the respective board 11 connected thereto are sealed within a tray-like container 14.
  • the container 14 is then accommodated in a complementarily shaped compartment 15 provided in the housing 16 of said electric motor or gearmotor 10, which in this first embodiment is of the gearmotor type 50.
  • Preassembly is provided by fixing one end of the wiring assembly 13 to the electronic board 11.
  • the joining region between the board 11 and the end of the wiring 13 provides the connection 12.
  • the board 11 and the associated connection 12 are arranged inside the container 14.
  • the container 14 is provided with a flap 17 that has a snap-action closure and is adapted to lock the end of the wiring 13.
  • the door 17 is adapted to keep the wiring 13 in position during the application of sealant 18 and until such sealant 18 has reached a consistency that allows to handle the assembly constituted by the container 14, the board 11 and the wiring 13 without problems.
  • the container 14 is accommodated in the compartment 15 of the housing 16.
  • the mechanical part of the electric motor or gearmotor 10 is already assembled during the insertion of the container 14 in the complementarily shaped compartment 15.
  • the container 14 is fixed inside such compartment 15 by way of reversible locking means 20.
  • the reversible locking means 20 are constituted by a reversible interlocking tab 21.
  • the tab 21 is formed by an elastically deformable plate 21a with an interlocking tooth 21b.
  • the locking means 20 also comprise a threaded coupling 22.
  • the threaded coupling is constituted by a fixing screw 23.
  • the screw 23 passes through the container laterally with respect to the connection 12, fastening the flap 17 in the closed position.
  • an electric motor or gearmotor 110 comprises a container 114 provided with integrated connectors 130.
  • the container 114 accommodates only the electronic board 111.
  • Such connectors 130 provide the connection 112 between the board 111 and the wiring.
  • An electric motor according to the invention in a third embodiment is designated by the reference numeral 210 and is shown in Figure 8.
  • the container 214 is internally integrated so as to be monolithic with a containment cover 241 of the electric motor 210.
  • the electronic board 211 is accommodated in the corresponding container 214, which is rigidly coupled to the containment cover 241, and together with the board the wiring 213 also is fixed to the container 214 and thus to the containment cover 241.
  • the board 211 and the connection between the board 211 and the respective wiring 213 are embedded in the sealant 218 that is dispensed inside the container 214.
  • the containment cover 241 is then assembled to the electric motor 210 of which it is a part, and the electric motor 210 is then inserted for example in a linear actuator for a robotized gearshift, illustrated in Figure 9 and designated by the reference numeral 260.
  • the containment cover 241 is then fixed to a housing 216 of the electric motor 210 by way of reversible locking means 220.
  • the reversible locking means 220 are constituted by two reversible interlocking tabs 221 and by a threaded coupling 222.
  • Each one of the tabs 221 is provided by a plate-like element 221a that is elastically deformable and is monolithic with the cover 241.
  • the threaded coupling 222 is constituted by two fixing screws 223.
  • the present invention provides an electric motor or gearmotor in which the connection between the electronic board and the respective wiring is particularly resistant to the mechanical stresses that such connection must undergo during assembly and when the actuation system to which it belongs is operating.
  • the present invention provides an electric motor or gearmotor in which the electronic control board and its connection to the wiring are sealed against water and are protected against chemical agents, dust and impacts.
  • the present invention provides an electric motor or gearmotor whose assembly requires only limited changes to existing assembly lines, appropriately integrated by a manual or semiautomatic screwing station for the container or containment cover and for testing the electronic components.
  • the present invention provides an electric motor or gearmotor in which said tray-like container or said containment cover has such a shape that it can be positioned on pallets capable of accommodating and subjecting a plurality of units simultaneously to the dispensing of sealant.
  • Such pallets can be advantageously passed through an oven in order to accelerate the hardening of the sealant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Dry Shavers And Clippers (AREA)
  • Lens Barrels (AREA)
EP04009940A 2003-05-13 2004-04-27 Moteur ou Motoréducteur électrique Withdrawn EP1478081A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000036U ITPD20030036U1 (it) 2003-05-13 2003-05-13 Struttura di motore o motoriduttore elettrico
ITPD20030036 2003-05-13

Publications (2)

Publication Number Publication Date
EP1478081A2 true EP1478081A2 (fr) 2004-11-17
EP1478081A3 EP1478081A3 (fr) 2006-09-06

Family

ID=43724975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04009940A Withdrawn EP1478081A3 (fr) 2003-05-13 2004-04-27 Moteur ou Motoréducteur électrique

Country Status (2)

Country Link
EP (1) EP1478081A3 (fr)
IT (1) ITPD20030036U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038926B (zh) * 2018-08-14 2020-08-14 赵磊 一种新能源汽车电机的接线柱

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376530A2 (fr) * 1988-12-27 1990-07-04 General Electric Company Moteur intégré commuté électroniquement et assemblage du circuit de commande
US5723924A (en) * 1995-02-08 1998-03-03 Valeo Systemes D'essuyage Motorized reduction gear unit, especially for driving a vehicle screen wiper apparatus
FR2783648A1 (fr) * 1998-09-23 2000-03-24 Valeo Systemes Dessuyage Motoreducteur a connectique integree
US6317332B1 (en) * 1998-02-05 2001-11-13 Robert Bosch Gmbh Electronic module for an electric motor operated drive unit
DE10141246C1 (de) * 2001-08-23 2003-04-10 Brose Fahrzeugteile Mechanische Schnittstellenvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376530A2 (fr) * 1988-12-27 1990-07-04 General Electric Company Moteur intégré commuté électroniquement et assemblage du circuit de commande
US5723924A (en) * 1995-02-08 1998-03-03 Valeo Systemes D'essuyage Motorized reduction gear unit, especially for driving a vehicle screen wiper apparatus
US6317332B1 (en) * 1998-02-05 2001-11-13 Robert Bosch Gmbh Electronic module for an electric motor operated drive unit
FR2783648A1 (fr) * 1998-09-23 2000-03-24 Valeo Systemes Dessuyage Motoreducteur a connectique integree
DE10141246C1 (de) * 2001-08-23 2003-04-10 Brose Fahrzeugteile Mechanische Schnittstellenvorrichtung

Also Published As

Publication number Publication date
EP1478081A3 (fr) 2006-09-06
ITPD20030036U1 (it) 2004-11-14

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